---
type: "Support"
title: "Market Data and Trading - Help Center"
description: "Browse Market Data and Trading articles and FAQs on Longbridge Help Center."
locale: "en"
inLanguage: "en"
url: "https://longbridge.com/hk/en/support/category/marketdataandtrading.md"
region: "hk"
parent: "https://longbridge.com/hk/en/support.md"
category_slug: "marketdataandtrading"
count: 85
datetime: "2026-09-28T05:20:08.162Z"
workTranslation:
  - inLanguage: "zh-CN"
    url: "https://longbridge.com/hk/zh-CN/support/category/marketdataandtrading.md"
  - inLanguage: "zh-HK"
    url: "https://longbridge.com/hk/zh-HK/support/category/marketdataandtrading.md"
generator: "portal-rs"
---

# Market Data and Trading - Help Center

> [Help Center](https://longbridge.com/hk/en/support.md) / Market Data and Trading

> Understand global markets and essential trading rules.

## Market overview {#marketoverview}

- [Crypto Trading FAQs](https://longbridge.com/hk/en/support/topics/marketoverview/faq.md)
- [Options Extended Hours FAQs](https://longbridge.com/hk/en/support/topics/marketoverview/4jpdot.md)
- [Option Trading Statistics](https://longbridge.com/hk/en/support/topics/marketoverview/2mi6gv.md)
- [Understanding virtual asset indicators](https://longbridge.com/hk/en/support/topics/marketoverview/99xxdf.md)
- [Introduction to Virtual Asset Transaction Record](https://longbridge.com/hk/en/support/topics/marketoverview/va_trade_types.md)
- [What is put/call ratio?](https://longbridge.com/hk/en/support/topics/marketoverview/f57407.md)
- [What is the US stock order book (desktop version)?](https://longbridge.com/hk/en/support/topics/marketoverview/Introduction_Of_OrderBook_PRO.md)
- [What is the US stock order book?](https://longbridge.com/hk/en/support/topics/marketoverview/Introduction_Of_OrderBook.md)
- [Introduction to Virtual asset related products](https://longbridge.com/hk/en/support/topics/marketoverview/ezfz4v.md)
- [What is the option price calculator?](https://longbridge.com/hk/en/support/topics/marketoverview/sby5a2.md)
- [Market Data Access: Device Usage Rules](https://longbridge.com/hk/en/support/topics/marketoverview/pqyngu.md)
- [What is market position overview?](https://longbridge.com/hk/en/support/topics/marketoverview/fcmbsz.md)
- [Introduction to Market Data](https://longbridge.com/hk/en/support/topics/marketoverview/stock-fields.md)

## US market {#usmarket}

- [US Stock Short Selling (Securities Financing) FAQs](https://longbridge.com/hk/en/support/topics/usmarket/dp0vs2.md)
- [Introduction to U.S. Stock IPO Auctions](https://longbridge.com/hk/en/support/topics/usmarket/yhh7cu.md)
- [What's US Fractional Shares Trading?](https://longbridge.com/hk/en/support/topics/usmarket/fractional-shares.md)
- [Over the Counter Trading FAQs](https://longbridge.com/hk/en/support/topics/usmarket/ut3usr.md)
- [FAQs about changing the US stock settlement cycle to T+1](https://longbridge.com/hk/en/support/topics/usmarket/mkavr8.md)
- [Options Portfolio Margin FAQs](https://longbridge.com/hk/en/support/topics/usmarket/portfolio_margin.md)
- [What is the US stock overnight session?](https://longbridge.com/hk/en/support/topics/usmarket/Overnight20230922.md)
- [Basic Knowledge Of US Stock Options](https://longbridge.com/hk/en/support/topics/usmarket/options.md)
- [Example of calculation rules for trading commissions, third-party fees, and margin financing interest in the US stock market](https://longbridge.com/hk/en/support/topics/usmarket/2yucafb.md)
- [US Stock Trading Rules](https://longbridge.com/hk/en/support/topics/usmarket/29gat9a.md)
- [ADR Custody Fee Rules](https://longbridge.com/hk/en/support/topics/usmarket/40mc7ij.md)
- [Options Trading FAQs](https://longbridge.com/hk/en/support/topics/usmarket/c4los9.md)
- [Probability Analysis](https://longbridge.com/hk/en/support/topics/usmarket/9qpqa6.md)
- [US Stock Pre-Market and After-Hours Trading Rules](https://longbridge.com/hk/en/support/topics/usmarket/us-pre-post-mkt-intro.md)
- [平台服务协议](https://longbridge.com/hk/en/support/topics/usmarket/user-agreement.md)

## HK market {#hkmarket}

- [Guide to Short Selling Hong Kong Stocks](https://longbridge.com/hk/en/support/topics/hkmarket/64c1tf.md)
- [Example of calculation rules for trading commissions, third-party fees, and margin financing interest in the Hong Kong stock market](https://longbridge.com/hk/en/support/topics/hkmarket/rpop8q.md)
- [港股牛熊证回收及结算时间](https://longbridge.com/hk/en/support/topics/hkmarket/dytbxi.md)
- [Odd Lot Trades FAQs](https://longbridge.com/hk/en/support/topics/hkmarket/a46bzt.md)
- [Introduction to Warrants and CBBCs](https://longbridge.com/hk/en/support/topics/hkmarket/3et7xd6.md)
- [Order Types - HK](https://longbridge.com/hk/en/support/topics/hkmarket/order-types-hk.md)
- [Gray Market Trading](https://longbridge.com/hk/en/support/topics/hkmarket/37pu3ox.md)
- [FAQs on Trading Arrangements During Severe Weather Trading](https://longbridge.com/hk/en/support/topics/hkmarket/adyhmx.md)
- [Subscription Statement](https://longbridge.com/hk/en/support/topics/hkmarket/ips.md)
- [HK IPO Pre-subscription Rules](https://longbridge.com/hk/en/support/topics/hkmarket/ipo-reservation-rules.md)
- [HK Warrants and Market Data Fields Introductions](https://longbridge.com/hk/en/support/topics/hkmarket/wt-fields-intro.md)
- [Trading Rules](https://longbridge.com/hk/en/support/topics/hkmarket/4gdrk7d.md)

## SG market {#sgmarket}

- [Singapore Market Daily Leverage Certificates (DLCs)](https://longbridge.com/hk/en/support/topics/sgmarket/4729kpi.md)

## Corporate actions {#corporateactions}

- [What’s dividend/special dividend distribution?](https://longbridge.com/hk/en/support/topics/corporateactions/8a04f1.md)
- [What’s a stock dividend?](https://longbridge.com/hk/en/support/topics/corporateactions/xehbn2.md)
- [What’s dividend selection?](https://longbridge.com/hk/en/support/topics/corporateactions/j1605t.md)
- [What's a stock split?](https://longbridge.com/hk/en/support/topics/corporateactions/hoprck.md)
- [What's a rights issue?](https://longbridge.com/hk/en/support/topics/corporateactions/7vvq4e.md)
- [How do corporate actions affect long-term orders?](https://longbridge.com/hk/en/support/topics/corporateactions/v7i2n47.md)

## IPO subscription {#iposubscription}

- [IPO Subscription Terms and Conditions](https://longbridge.com/hk/en/support/topics/iposubscription/3gzpxjc.md)
- [IPO Subscription Related](https://longbridge.com/hk/en/support/topics/iposubscription/203ho05.md)
- [IPO Subscription Fees](https://longbridge.com/hk/en/support/topics/iposubscription/1hpez20.md)
- [Step-by-step Guide to IPO Subscription](https://longbridge.com/hk/en/support/topics/iposubscription/rimmvj.md)
- [FAQ - IPO Subscription](https://longbridge.com/hk/en/support/topics/iposubscription/1lii2n0.md)

## Margin financing {#marginfinancing}

- [Guide to Longbridge Integrated Account](https://longbridge.com/hk/en/support/topics/marginfinancing/3aysfh8.md)
- [Margin Call Rules](https://longbridge.com/hk/en/support/topics/marginfinancing/2u2kyg0.md)
- [What is the currency margin?](https://longbridge.com/hk/en/support/topics/marginfinancing/1ddrdj.md)
- [Margin Financing Related FAQs](https://longbridge.com/hk/en/support/topics/marginfinancing/2npbyr3.md)
- [Account Risk Control Rules](https://longbridge.com/hk/en/support/topics/marginfinancing/169xolr.md)
- [How to check if a stock supports margin trading?](https://longbridge.com/hk/en/support/topics/marginfinancing/f3rni3x.md)
- [Intraday Financing Trade FAQs](https://longbridge.com/hk/en/support/topics/marginfinancing/dfk7xu.md)

## Options trading {#optionstrading}

- [Vertical spread](https://longbridge.com/hk/en/support/topics/optionstrading/vertical-spread.md)
- [Collar](https://longbridge.com/hk/en/support/topics/optionstrading/collar.md)
- [Strangle](https://longbridge.com/hk/en/support/topics/optionstrading/strangle.md)
- [Straddle](https://longbridge.com/hk/en/support/topics/optionstrading/straddle.md)
- [Covered Stock](https://longbridge.com/hk/en/support/topics/optionstrading/covered-stock.md)
- [Option Market Data Fields Introductions](https://longbridge.com/hk/en/support/topics/optionstrading/op-fields-intro.md)

## Fund trading {#fundtrading}

- [Money Market Fund Subscription /Redemption Rules](https://longbridge.com/hk/en/support/topics/fundtrading/0ubv12.md)
- [Fund FAQs](https://longbridge.com/hk/en/support/topics/fundtrading/x71sm57.md)
- [Fund Fee Rules](https://longbridge.com/hk/en/support/topics/fundtrading/rwx5yn4.md)
- [Fund Subscription and Redemption Rules](https://longbridge.com/hk/en/support/topics/fundtrading/uqn2kwo.md)
- [Fund Subscription Agreement（ETF Included）](https://longbridge.com/hk/en/support/topics/fundtrading/etf.md)
- [Agreement of Fund Automatic Investment Plan](https://longbridge.com/hk/en/support/topics/fundtrading/hk-aip-agreement.md)
- [Understanding fund-related concepts](https://longbridge.com/hk/en/support/topics/fundtrading/1earfgc.md)
- [Guide to Professional Investor](https://longbridge.com/hk/en/support/topics/fundtrading/w6opv7.md)
- [Understanding Fund Types](https://longbridge.com/hk/en/support/topics/fundtrading/1oqs7ao.md)

## Grid trading {#gridtrading}

- [Understanding grid trading (desktop)](https://longbridge.com/hk/en/support/topics/gridtrading/desktop_grid_trade_help.md)
- [What's grid trading - dormancy state?](https://longbridge.com/hk/en/support/topics/gridtrading/44v0zg.md)
- [What's multiply placement?](https://longbridge.com/hk/en/support/topics/gridtrading/multiple_placement.md)
- [What's the base price?](https://longbridge.com/hk/en/support/topics/gridtrading/grid_trade_baseprice.md)
- [What is Grid Trading](https://longbridge.com/hk/en/support/topics/gridtrading/grid-trade-help.md)

## Trading FAQs {#tradingfaqs}

- [Guide to Market Order](https://longbridge.com/hk/en/support/topics/tradingfaqs/il33cp.md)
- [Guide to Profit and Loss Analysis](https://longbridge.com/hk/en/support/topics/tradingfaqs/PL_Analysis.md)
- [Understanding Order Types](https://longbridge.com/hk/en/support/topics/tradingfaqs/order-types-us.md)
- [What are the trading platforms?](https://longbridge.com/hk/en/support/topics/tradingfaqs/2mb858.md)
- [Terms and Conditions for Trading Options (16 Jul 2024)](https://longbridge.com/hk/en/support/topics/tradingfaqs/12t0qf.md)
- [Understanding attached orders](https://longbridge.com/hk/en/support/topics/tradingfaqs/attach_order_help.md)


---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**